1 error[E0515]: cannot return value referencing local data `*b`
2 --> $DIR/regions-trait-variance.rs:38:5
5 | --- `*b` is borrowed here
7 | ^^^^^^^^^^ returns a value referencing data owned by the current function
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0515`.